它象征了一个关于工艺的经验：效用并不依赖于完美的表现形式。
It symbolizes a crucial lesson about craft: utility is not contingent on perfection of form.
消费者基于消费效用最大化的目标实施消费行为，面对商场繁杂的促销形式会依据机会成本、边际效用递减规律等原理选择与黄牛党进行交易。
Confronted with the complicated forms of sales promotions conducted by sellers, consumers will trade with scalpers under the rules of opportunity cost, diminishing marginal utility and other theo.
由于其能够同时满足现代经济对债权担保和担保物经济效用发挥的双重需要，因而已成为许多国家运用最为广泛的一种物的担保形式。
It becomes the most commonly used right for security purpose because it can satisfy the modern economy's need for guarantee of obligation and the need to use the collateral efficiently.
给出了以经纪人代表效用表出形式的金融资产定价公式。
Then discuss the problem of representative agent and, accordingly, give the representative agent pricing formula.
“离线”广告的运作是在一定支出水平上扯平的；与此不同，电子广告的效用似乎是随支出的增加而呈指数形式的提高。
Unlike offline advertising, where performance levels off at a certain level of spending, e-advertising seems to grow exponentially with increased spending.
“离线”广告的运作是在一定支出水平上扯平的；与此不同，电子广告的效用似乎是随支出的增加而呈指数形式的提高。
Unlike offline advertising, where performance levels off at a certain level of spending, e-advertising seems to grow exponentially with increased spending.
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